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Powering the Software Defined Network
Transformer-less 2 kW Non Isolated
400 VDC/230 VAC Single Stage
Micro Inverter
Intel...
– 2 –
Why such a small inverter?
• Google & IEEE ‘Little Box Challenge’
• Decentralized production requires compact
static...
– 3 –
Mechanical Electronics
Software
– 4 –
Forced cooling
Mech an ical
Pc = As(Ts-Ta)Cc
Pr = As(T4
s-T4
a)Cr
=> 99,5% efficiency required!
Forced Cooling Manda...
– 5 –
Heatsink & Thermal
Mech an ical
– 6 –
Capa positioning
Mech an ical
Capa used as heatsink’s fins !
– 7 –
Sandwich layout
Mech an ical
– 8 –
GaN controlers
Electron ics
GaN
IGBT
– 9 –
MLCC Vs Electrolytics Capa
Electron ics
– 10 –
Topology
Electron ics
– 11 –
Magnetics sizing
Electron ics
– 12 –
Zero Volt Switching
Software
– 13 –
Active Filtering
Software
– 14 –
E l e c t r o n i c s
Parameter Realised Requested
Maximum Power Tested 2062 VA 2000VA
Volume of enclosure 225 cm³ ...
Powering the Software Defined Network
– 16 –
Bi-directionality + µGrid + Virtualization
=
Power Virtualization
– 17 –
Server rack
Backup rack
Data flow
AC Power
– 18 –
Server rack
Backup rack
Data flow
AC Power
DC Power flow
– 19 –
THANK YOU
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Transformer-less 2 kW Non Isolated 400 VDC/230 VAC Single Stage Micro Inverter

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Paper presented by Olivier Bomboir at Intelec 2016 Austin

Publicada em: Tecnologia
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Transformer-less 2 kW Non Isolated 400 VDC/230 VAC Single Stage Micro Inverter

  1. 1. Powering the Software Defined Network Transformer-less 2 kW Non Isolated 400 VDC/230 VAC Single Stage Micro Inverter Intelec 2016 O. BOMBOIR, CE+T Power
  2. 2. – 2 – Why such a small inverter? • Google & IEEE ‘Little Box Challenge’ • Decentralized production requires compact static converters • We’ve been shrinking inverters since 30 years
  3. 3. – 3 – Mechanical Electronics Software
  4. 4. – 4 – Forced cooling Mech an ical Pc = As(Ts-Ta)Cc Pr = As(T4 s-T4 a)Cr => 99,5% efficiency required! Forced Cooling Mandatory
  5. 5. – 5 – Heatsink & Thermal Mech an ical
  6. 6. – 6 – Capa positioning Mech an ical Capa used as heatsink’s fins !
  7. 7. – 7 – Sandwich layout Mech an ical
  8. 8. – 8 – GaN controlers Electron ics GaN IGBT
  9. 9. – 9 – MLCC Vs Electrolytics Capa Electron ics
  10. 10. – 10 – Topology Electron ics
  11. 11. – 11 – Magnetics sizing Electron ics
  12. 12. – 12 – Zero Volt Switching Software
  13. 13. – 13 – Active Filtering Software
  14. 14. – 14 – E l e c t r o n i c s Parameter Realised Requested Maximum Power Tested 2062 VA 2000VA Volume of enclosure 225 cm³ 655 cm³ Power density 8850 W/litre 3050W/litre DC voltage range 300 to 450VDC 399.5 V AC voltage (RMS) output 240 Vac 240V +/- 12Vac Efficiency (CEC Method) 95.4 % Min 95 % Max Temp of Enclosure 48 °C 60 °C Ambient T° of test 29 °C 30 °C EMI compliance FCC Part 15 B FCC Part 15 B S o f t w a reM e c h a n i c a l
  15. 15. Powering the Software Defined Network
  16. 16. – 16 – Bi-directionality + µGrid + Virtualization = Power Virtualization
  17. 17. – 17 – Server rack Backup rack Data flow AC Power
  18. 18. – 18 – Server rack Backup rack Data flow AC Power DC Power flow
  19. 19. – 19 – THANK YOU

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